operation and maintenance of electrical and mechanical installations at lab-cum-office building at cmfri cift, visakhapatnam f.y 2023-24 b) operation and maintenance of electrical and mechanical installations at residential qtrs at cmfri cift, visakhapatnam sh: annual maintenance of computers located at office of ee(e), cpwd, vizag and ae(e), cpwd, vizag and ae(e), mvp colony, vizag